Lexus IS250 · Service Manual BODY ELECTRICAL

INSPECTION

Inspection


INSPECT FRONT DRIVER SIDE DOOR LOCK ASSEMBLY

  1. B069901E04
    INSPECT UNLOCK DETECTION SWITCH: LHD MODELS

    1. Remove the front door lock assembly LH.

    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance:
      Tester Connection
      		 Measurement Condition
      		 Door Lock Condition
      		 Specified Condition
      7 - 8
      		Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 3
      		 Lock
      		 10 kΩ or higher
      7 - 8
      		Battery positive (+) → Terminal 3
      Battery negative (-) → Terminal 4
      		 Unlock
      		 Below 1 Ω

  1. INSPECT UNLOCK DETECTION SWITCH: RHD MODELS

    B112741E05

    1. Remove the front door lock assembly RH.

    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance:
      Tester Connection
      		 Measurement Condition
      		 Door Lock Condition
      		 Specified Condition
      7 - 8 (*1)
      		 Battery positive (+) → Terminal 2
      Battery negative (-) → Terminal 1
      		 Lock
      		 10 kΩ or higher
      7 - 8 (*1)
      		 Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 2
      		 Unlock
      		 Below 1 Ω
      7 - 8 (*2)
      		 Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 1
      		 Lock
      		 10 kΩ or higher
      7 - 8 (*2)
      		 Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 4
      		 Unlock
      		 Below 1 Ω

      *1: w/ Double locking system
      *2: w/o Double locking system

  1. B069901E05
    INSPECT DOOR LOCK MOTOR: LHD MODELS

    1. Remove the front door lock assembly LH.

    2. Apply battery voltage and check operation of the door lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 3
      		 Lock
      Battery positive (+) → Terminal 3
      Battery negative (-) → Terminal 4
      		 Unlock

  1. INSPECT DOOR LOCK MOTOR: RHD MODELS

    B112741E06

    1. Remove the front door lock assembly RH.

    2. Apply battery voltage and check operation of the door lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) → Terminal 2
      Battery negative (-) → Terminal 1 (*1)
      		 Lock
      Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 2 (*1)
      		 Unlock
      Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 1 (*2)
      		 Lock
      Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 4 (*2)
      		 Unlock

      *1: w/ Double locking system
      *2: w/o Double locking system

  1. B069901E06
    INSPECT DOUBLE LOCK POSITION SWITCH: LHD MODELS

    1. Remove the front door lock assembly LH.

    2. Apply battery voltage and set the door lock motor to the lock position.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 4
      Battery negative (-) →Terminal 3
      		 Lock

    3. Apply battery voltage to the door lock and check operation of the double lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 2
      Battery negative (-) →Terminal 1
      		 Double Locking System is set
      Battery positive (+) →Terminal 1
      Battery negative (-) →Terminal 2
      		 Double Locking System is unset

    4. Measure the resistance according to the value(s) in the table below.

      Standard resistance:
      Tester Connection
      		 Double Lock Position
      		 Specified Condition
      5 - 6
      		 Set
      		 Below 1 Ω
      5 - 6
      		 Unset
      		 10 kΩ or higher

  1. B064708E04
    INSPECT DOUBLE LOCK POSITION SWITCH: RHD MODELS

    1. Remove the front door lock assembly RH.

    2. Apply battery voltage and set the door lock motor to the lock position.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 2
      Battery negative (-) →Terminal 1
      		 Lock

    3. Apply battery voltage to the door lock and check operation of the double lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 4
      Battery negative (-) →Terminal 3
      		 Double Locking System is set
      Battery positive (+) →Terminal 3
      Battery negative (-) →Terminal 4
      		 Double Locking System is unset

    4. Measure the resistance according to the value(s) in the table below.

      Standard resistance:
      Tester Connection
      		 Double Lock Position
      		 Specified Condition
      9 - 10
      		 Set
      		 Below 1 Ω
      9 - 10
      		 Unset
      		 10 kΩ or higher

  1. B069901E07
    INSPECT DOUBLE DOOR LOCK MOTOR: LHD MODELS

    1. Remove the front door lock assembly LH.

    2. Apply battery voltage and set the door lock motor to the lock position.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 4
      Battery negative (-) →Terminal 3
      		 Lock

    3. Apply battery voltage to the door lock and check operation of the double lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 2
      Battery negative (-) →Terminal 1
      		 Double Locking System is set
      Battery positive (+) →Terminal 1
      Battery negative (-) →Terminal 2
      		 Double Locking System is unset

    4. Check that the doors cannot be unlocked by operating the control cable while the double locking system is set.

      OK:
      The doors cannot be unlocked.

  1. B064708E05
    INSPECT DOUBLE DOOR LOCK MOTOR: RHD MODELS

    1. Remove the front door lock assembly RH.

    2. Apply battery voltage and set the door lock motor to the lock position.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 2
      Battery negative (-) →Terminal 1
      		 Lock

    3. Apply battery voltage to the door lock and check operation of the double lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 4
      Battery negative (-) →Terminal 3
      		 Double Locking System is set
      Battery positive (+) →Terminal 3
      Battery negative (-) →Terminal 4
      		 Double Locking System is unset

    4. Check that the doors cannot be unlocked by operating the control cable while the double locking system is set.

      OK:
      The doors cannot be unlocked.


INSPECT FRONT PASSENGER SIDE DOOR LOCK ASSEMBLY

  1. B064708E06
    INSPECT UNLOCK DETECTION SWITCH: LHD MODELS

    1. Remove the front door lock assembly RH.

    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance:
      Tester Connection
      		 Measurement Condition
      		 Door Lock Condition
      		 (Specified Condition)
      7 - 8
      		 Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 2
      		 LOCK
      		 10 kΩ or higher
      7 - 8
      		 Battery positive (+) → Terminal 2
      Battery negative (-) → Terminal 1
      		 UNLOCK
      		 Below 1 Ω

  1. INSPECT UNLOCK DETECTION SWITCH: RHD MODELS

    B112740E04

    1. Remove the front door lock assembly LH.

    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance:
      Tester Connection
      		 Measurement Condition
      		 Door Lock Condition
      		 (Specified Condition)
      7 - 8 (*1)
      		 Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 3
      		 LOCK
      		 10 kΩ or higher
      7 - 8 (*1)
      		 Battery positive (+) → Terminal 3
      Battery negative (-) → Terminal 4
      		 UNLOCK
      		 Below 1 Ω
      7 - 8 (*2)
      		 Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 1
      		 LOCK
      		 10 kΩ or higher
      7 - 8 (*2)
      		 Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 4
      		 UNLOCK
      		 Below 1 Ω

      *1: w/ Double locking system
      *2: w/o Double locking system

  1. B064708E07
    INSPECT DOOR LOCK MOTOR: LHD MODELS

    1. Remove the front door lock assembly RH.

    2. Apply battery voltage and check operation of the door lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) → Terminal 2
      Battery negative (-) → Terminal 1
      		 Lock
      Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 2
      		 Unlock

  1. INSPECT DOOR LOCK MOTOR: RHD MODELS

    B112740E05

    1. Remove the front door lock assembly LH.

    2. Apply battery voltage and check operation of the door lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 3 (*1)
      		 Lock
      Battery positive (+) → Terminal 3
      Battery negative (-) → Terminal 4 (*1)
      		 Unlock
      Battery positive (+) → Terminal 4
      Battery negative (-) → Terminal 1 (*2)
      		 Lock
      Battery positive (+) → Terminal 1
      Battery negative (-) → Terminal 4 (*2)
      		 Unlock

      *1: w/ Double locking system
      *2: w/o Double locking system

  1. B064708E08
    INSPECT DOUBLE LOCK POSITION SWITCH: LHD MODELS

    1. Remove the front door lock assembly RH.

    2. Apply battery voltage and set the door lock motor to the lock position.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 2
      Battery negative (-) →Terminal 1
      		 Lock

    3. Apply battery voltage to the door lock and check operation of the double lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 4
      Battery negative (-) →Terminal 3
      		 Double Locking System is set
      Battery positive (+) →Terminal 3
      Battery negative (-) →Terminal 4
      		 Double Locking System is unset

    4. Measure the resistance according to the value(s) in the table below.

      Standard resistance:
      Tester Connection
      		 Double Lock Position
      		 Specified Condition
      9 - 10
      		 Set
      		 Below 1 Ω
      9 - 10
      		 Unset
      		 10 kΩ or higher

  1. B069901E08
    INSPECT DOUBLE LOCK POSITION SWITCH: RHD MODELS

    1. Remove the front door lock assembly LH.

    2. Apply battery voltage and set the door lock motor to the lock position.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 4
      Battery negative (-) →Terminal 3
      		 Lock

    3. Apply battery voltage to the door lock and check operation of the double lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 2
      Battery negative (-) →Terminal 1
      		 Double Locking System is set
      Battery positive (+) →Terminal 1
      Battery negative (-) →Terminal 2
      		 Double Locking System is unset

    4. Measure the resistance according to the value(s) in the table below.

      Standard resistance:
      Tester Connection
      		 Double Lock Position
      		 Specified Condition
      5 - 6
      		 Set
      		 Below 1 Ω
      5 - 6
      		 Unset
      		 10 kΩ or higher

  1. B064708E09
    INSPECT DOUBLE LOCK POSITION SWITCH: LHD MODELS

    1. Remove the front door lock assembly RH.

    2. Apply battery voltage and set the door lock motor to the lock position.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 2
      Battery negative (-) →Terminal 1
      		 Lock

    3. Apply battery voltage to the door lock and check operation of the double lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 4
      Battery negative (-) →Terminal 3
      		 Double Locking System is set
      Battery positive (+) →Terminal 3
      Battery negative (-) →Terminal 4
      		 Double Locking System is unset

    4. Check that the doors cannot be unlocked by operating the control cable while the double locking system is set.

      OK:
      The doors cannot be unlocked.

  1. B069901E09
    DOUBLE LOCK POSITION SWITCH: RHD MODELS

    1. Remove the front door lock assembly LH.

    2. Apply battery voltage and set the door lock motor to the lock position.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 4
      Battery negative (-) →Terminal 3
      		 Lock

    3. Apply battery voltage to the door lock and check operation of the double lock motor.

      OK:
      Measurement Condition
      		 Specified Condition
      Battery positive (+) →Terminal 2
      Battery negative (-) →Terminal 1
      		 Double Locking System is set
      Battery positive (+) →Terminal 1
      Battery negative (-) →Terminal 2
      		 Double Locking System is unset

    4. Check that the doors cannot be unlocked by operating the control cable while the double locking system is set.

      OK:
      The doors cannot be unlocked.

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